FNIRSI FNB48P BT USB Port Tester with Bluetooth
The FNIRSI FNB48P BT USB Port Tester is a professional diagnostic tool designed for detailed analysis of USB charging performance, power delivery protocols, and cable quality. Supporting USB-A, USB-C, and Micro USB connections, it provides accurate real-time monitoring of voltage, current, power, and charging efficiency. Bluetooth connectivity enables convenient data logging and analysis through a compatible app, while advanced protocol detection ensures compatibility testing across a wide range of charging technologies. Its durable metal housing, high-precision measurements, and intelligent cable diagnostics make it suitable for technicians, electronics enthusiasts, and advanced troubleshooting applications.
Featuring support for USB-A, USB-C, and Micro USB interfaces, the device is compatible with both modern and legacy equipment. It supports current levels up to 6.5A and enables detailed monitoring of voltage, current, power, capacity, and charging efficiency. A high-performance ARM processor operating at 240 MHz ensures smooth processing of complex measurement data, while a resolution of up to 0.00001 allows detection of even the smallest fluctuations during testing.
The tester supports a wide range of fast-charging protocols, including USB Power Delivery, QC 2.0, QC 3.0, Apple 2.4A, Samsung AFC, Huawei FCP and SCP, OPPO VOOC, SuperVOOC, DASH, WARP, and PE+ technologies. Automatic protocol detection verifies charger compatibility and confirms correct operation, helping users evaluate the capabilities and performance of charging equipment.
Performance highlights:
• High-precision measurement of voltage, current, power, and capacity
• Supports USB-A, USB-C, and Micro USB connections
• Bluetooth connectivity with app-based monitoring and analysis
• Current support up to 6.5A
• Automatic detection of major fast-charging protocols
• Compatible with PD, QC, AFC, SCP, FCP, VOOC, DASH, WARP, and more
• E-marker cable detection and CC line data reading
• DASH cable identification and diagnostics
• Internal cable resistance measurement for performance verification
• Large 1.77-inch HD display with multiple visualization modes
• Real-time and offline graph recording capabilities
• Power ripple analysis for charger quality assessment
• Stores up to 10 groups of measurement data
• Built-in battery capacity calculation algorithms
• Automatic screen rotation with integrated gravity sensor
• CNC-machined metal housing for durability and protection
• PC connectivity for data transfer and extended analysis
• Suitable for charger testing, cable diagnostics, and power delivery verification
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